The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 1989
Filed:
Apr. 05, 1989
Vladimir G Granik, Moscow, SU;
Tatyana V Stezhko, Moskovskaya, SU;
Robert G Glushkov, Moscow, SU;
Mikhail D Mashkovsky, Moscow, SU;
Lidia F Roschina, Moscow, SU;
Antonina I Polezhaeva, Moscow, SU;
Roza B Parimbetova, Moscow, SU;
Jury G Bobkov, Moscow, SU;
Alexandr S Losev, Moscow, SU;
Irina A Ivanova, Moscow, SU;
Other;
Abstract
A novel compound, namely, 1-thiocarbamylmethylpyrrolidine-2-thione has the following formula: ##STR1## A process for preparing said compound comprises reacting a derivative of pyrrolidone-2 of the general formula: ##STR2## wherein R is nitrile or carbamoyl, with phosphorus pentasulphide in an inert non-polar solvent at a temperature above room temperature, followed by treatment of the resulting precipitate with water upon boiling and isolation of the desired product. The compound according to the present invention exhibits antihypoxic and nootropic activity.